Triumph Bonneville Bobber 2021 Owner's Handbook

Triumph Bonneville Bobber 2021 Motorcycle manual cover

Pages 150

Year 2021

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Triumph Bonneville Bobber 2021 Motorcycle Specification

The Triumph Bonneville Bobber 2021 Motorcycle is a distinguished blend of classic British design and modern engineering. This model is powered by a 1200cc liquid-cooled, 8-valve, SOHC, parallel twin engine, delivering a robust 77 horsepower at 6100 rpm and an impressive torque of 106 Nm at 4000 rpm. The engine is mated to a 6-speed transmission, ensuring smooth and responsive gear shifts.

The motorcycle features a distinctive hardtail look with a hidden mono-shock rear suspension, providing both aesthetic appeal and ride comfort. Its chassis is designed for dynamic handling, featuring a tubular steel twin cradle frame. The front suspension includes 47mm Showa forks, while the rear suspension is managed by a mono-shock RSU with linkage, adjustable for preload.

Braking is handled by a single 310mm disc with a 2-piston Brembo floating caliper at the front and a single 255mm disc with a single-piston Nissin floating caliper at the rear, both equipped with ABS for enhanced safety. The motorcycle rolls on classic wire-spoke wheels, 19 inches at the front and 16 inches at the rear, wrapped in Avon Cobra tires for excellent grip and stability.

The Bonneville Bobber 2021 comes with advanced rider-focused technology, including ride-by-wire throttle, switchable traction control, and two riding modes (Road and Rain). The minimalist, single-clock instrument display provides essential information and adds to the bike's retro aesthetic. The fuel tank capacity is 9.1 liters, and the bike's dry weight is 251 kg, making it a manageable yet substantial ride.

With its iconic Bobber styling, high-performance engine, and modern technological enhancements, the Triumph Bonneville Bobber 2021 stands out as a compelling choice for enthusiasts seeking a blend of tradition and innovation.

Triumph Bonneville Bobber 2021 Motorcycle F.A.Q.

What is the recommended tire pressure for the Triumph Bonneville Bobber 2021?

The recommended tire pressure for the Triumph Bonneville Bobber 2021 is 36 psi for the front tire and 42 psi for the rear tire.

How do I adjust the suspension on the Triumph Bonneville Bobber 2021 for a smoother ride?

To adjust the suspension, locate the preload adjuster on the rear shock. Use the appropriate tool to rotate the adjuster to your desired setting for a smoother ride. Refer to the owner's manual for specific instructions and recommended settings.

What type of engine oil is recommended for the Triumph Bonneville Bobber 2021?

Triumph recommends using a fully synthetic 10W-40 motorcycle oil that meets or exceeds the API SH, JASO MA, or MA2 specifications for the Bonneville Bobber 2021.

How can I troubleshoot starting issues with my Triumph Bonneville Bobber 2021?

If you're experiencing starting issues, check the battery charge, ensure the kill switch is set to 'Run', and verify that the fuel valve is open. If the problem persists, inspect the spark plugs and fuses.

What is the maintenance schedule for the Triumph Bonneville Bobber 2021?

The maintenance schedule for the Bonneville Bobber includes oil changes every 10,000 miles, valve clearance checks every 20,000 miles, and regular inspections of the brake system, tires, and chain. Refer to the owner's manual for a detailed schedule.

How do I clean and maintain the chain on my Triumph Bonneville Bobber 2021?

To clean and maintain the chain, use a suitable chain cleaner and a brush to remove dirt and grime. After cleaning, apply a high-quality chain lubricant evenly over the entire chain. Perform this maintenance every 500 miles or sooner if riding in wet or dusty conditions.

What should I do if the check engine light comes on in my Triumph Bonneville Bobber 2021?

If the check engine light comes on, first safely pull over and switch off the engine. Check the oil level and coolant. If everything appears normal, restart the bike. If the light remains on, have the motorcycle inspected by a Triumph dealer as soon as possible.

Can I install aftermarket exhausts on my Triumph Bonneville Bobber 2021?

Yes, you can install aftermarket exhausts on your Bonneville Bobber. However, ensure they are compatible with your model and consider the impact on performance and emissions. It is advisable to have them installed by a professional for optimal results.

How do I replace the headlight bulb on the Triumph Bonneville Bobber 2021?

To replace the headlight bulb, remove the headlight assembly by unscrewing the retaining screws. Carefully disconnect the wiring connector, remove the old bulb, and insert the new one. Reattach the connector and secure the assembly back in place.

What are the common issues to look out for in the Triumph Bonneville Bobber 2021?

Common issues include battery drain, chain wear, and clutch cable adjustments. Regular maintenance and inspections can help prevent these problems. Always follow the recommended service intervals and consult with a Triumph dealer if you encounter persistent issues.